angular 7 test Data path "['test']" should have required property 'builder'. code example
Example 1: Data path ".builders['app-shell']" should have required property 'class'.
npm uninstall @angular-devkit/build-angular
npm install @angular-devkit/[email protected]
Example 2: Data path ".builders['app-shell']" should have required property 'class'.
"@angular-devkit/build-angular": "^0.10.0",